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Summit Blue
Summit Blue

Please select a color/size.


  • Women-specific harness and hipbelt provide a dialed-in fit; eye-pleasing colors and graphics look great wherever you roam
  • Breathable, tensioned mesh back panel allows warm, moist air to escape
  • Panel-loading main compartment makes your gear easy to access
  • Internal sleeve with hanger and central exit port with stretch webbing on the shoulder strap accommodates a hydration reservoir (sold separately)
  • Mesh side pockets and zippered hipbelt pockets hold small essentials
  • Stow on the Go™ trekking pole attachment and ice axe attachment let you lash tools to the outside of the pack
  • Integrated raincover helps keep contents dry and stashes out of the way in its own pocket when not in use
  • The Osprey Sirrus 24 Pack is made of 210-denier double ripstop nylon and 420-denier nylon pack cloth for durability


Two multi-day hikers in Osprey packs gaze over a desert landscape

Take a technically stunning Osprey pack on your next hike, or trip around the world.

See what’s new

View all Osprey Daypacks

REI membership


Best Use Hiking
Bag Style Backpack
Frame Type Internal
Gear Capacity (L)
24 liters
22 liters
Gear Capacity (cu. in.)
1,465 cubic inches
1,343 cubic inches
2 lbs. 5 oz.
2 lbs. 3 oz.
Fits Torso
17 - 20 inches
15 - 18 inches
Fits Waist/Hips
30 - 34 inches
<31 inches
Material(s) Ripstop nylon
Frame Material Aluminum
Number of Stays 1
Suspended Mesh Back Panel Yes
Pack Access Panel
Number of Exterior Pockets 5 + main compartment
Hipbelt Yes
Raincover Included Yes
Dimensions 20 x 11 x 9 inches
Gender Women's

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We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

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At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

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*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips, REI Garage, and discounted items. Learn more